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Published June 15, 2000 | Published
Book Section - Chapter Open

New Seismic Attenuation System (SAS) for the Advanced LIGO Configurations (LIGO2)

Abstract

A new passive seismic attenuation system is being developed to replace the current passive attenuation stacks in LIGO 2, it is expected to drive the seismic contribution to the interferometer noise below any other noise source. The SAS will be effective completely starting at about 5 Hz, well inside the (uncompensated) gravity gradient noise wall.

Additional Information

© 2000 American Institute of Physics. Issue Date: 15 June 2000. We like to acknowledge the enthusiastic contribution of Henry Lubatti, David Ahkavan and Nicolas Viboud, students that recently joined the SAS group. We also acknowledge the professionally of Ricardo Paniagua and his crew of the Caltech machine shop, Gianni Gennaro, master designer and Carlo Galli, passionate builder of the SAS system.

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August 19, 2023
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